Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
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It configures the permitted values of the ring times (N) to wait before forwarding
incoming calls.
Example:
features.forward.no_answer.show_ring_times =
0,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
Note: It works only if “forward.no_answer.enable” or “account.X.timeout_fwd.enable”
is set to 1 (Enabled).
String within 512 characters
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20
phone_setting.ring_duration
It configures the interval (in seconds) of the ring for no answer forward feature.
Note: It works only if “forward.no_answer.enable” or “account.X.timeout_fwd.enable”
is set to 1 (Enabled).
Integer greater than or equal to 0
forward.no_answer.on_code
It configures the no answer forward on code to activate the server-side no answer
forward feature.
The IP phone will send the no answer forward on code and the pre-configured
destination number (configured by the parameter “forward.no_answer.target”) to the
server when you activate no answer forward feature on a phone basis.
Note: It works only if “features.fwd.allow” and “forward.no_answer.enable” are set to 1
and value of the parameter “features.fwd_mode” is set to 0 (Phone) (except T19(P) E2
IP phones).
String within 32 characters
Features->Forward&DND->Forward->No Answer Forward->On Code
Menu->Features->Call Forward->No Answer Forward->On Code
forward.no_answer.off_code
It configures the no answer forward off code to deactivate the server-side no answer
forward feature.
The IP phone will send the no answer forward off code to the server when you
deactivate no answer forward feature on a phone basis.